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Nitric acid, whose worldwide annual production is nearly 10 billion kilograms, is used to make many products, including fertilizers, dyes and explosives. The first step in the process is the oxidation of ammonia:
4NH3(g) + 5O2(g) ---> 4NO(g) + 6H2O(g)
Calculate the enthalpy of the reaction (Δ Horxn) using the molar enthalpy of formation values (ΔHfo).
The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 40 degrees Celsius.
A piece of iron with a mass of 350g at 300 C is added to 1.00kg of water at 20 C. what is the final temperature of the iron
The energy we get in nuclear reactions comes from ____ A) the sun. B) water. C) energy we put into the reactor. D) work we do on the reactor. E) the mass of the fuel.
The good professor accidently grabs the Na2HPO4 bottle. What pH did professor Whoops expect the solution to be? what was the actual pH of the solution as made
Image text transcribed for accessibility: A buffer was prepared by dissolving 0.370 mol of the weak acid HA (Ka = 1.00 times 10-5) plus 0.036 mol of its conjugate base Na+A- in 1.00 L. Find the pH.
Determine delta H of this reaction (kJ/mol H 2 SO 4 ) - When 24.4 mL of 0.500M sulphuric acid ,H 2 SO 4 is combined to 24.4ml of 1.00M potassium hydroxide KOH in a coffee cup calorimeter
Calculate OH- for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral. h+ = 2.7×10?3.
Determine the volume of the gas at a pressure of 150.0 kPa and a 26 degree Celsius of temperature?
Sparkling wine is bottled under a CO2 pressure of 4.1 atm. The solubility of CO2 at 4.1 atm is 0.70 g/100 g H2O. What is its solubility after the bottle is opened if the partial pressure of CO2 is 3.4x 10-4 atm
Calculate the mass of nitrogen dissolved at room temperature in an 81.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
How many moles of hydrogen gas are needed to react with 15.1 g chlorine gas, to produce hydrogen chloride gas
KCN is dissolved in water in a calorimeter that has a total heat capacity of 3.850 kJ·K-1, the temperature decreases by 0.280 K. Calculate the molar heat of solution of KCN.
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